37 Building construction; erection of scaffolding; construction of scaffolding, supporting walls, retaining walls, mechanical lifts, pneumatic lifts, hydraulic lifts, power operated jacks, elevating or lifting work platforms including mobile, lifting installations for the transport of goods; restoration of works of art and works of civil engineering, excavations services, drilling of pilots, wells, trenches, walls or tunnels for reinforcing the soil; construction, repair, maintenance, and demolition of buildings; construction, maintenance and repair of roads, ways railroads, tracks runways, bridges, bridge abutments, berms, embankments, supporting walls, retaining walls, dams, soil stabilization devices, retaining walls, dikes, tunnels, gutters, shelters, protection bunkers, tanks, reservoirs, silos and historic monuments; earthworks construction; land clearing; underwater dredging; construction supervision; rental of construction equipment; rental of scaffolding equipment; rental of construction equipment namely, lifts, jacks, construction site lifts, goods lifts, cranes, fixed cranes, mobile cranes, fast-erected tower cranes, pulleys and hoisting gears; erection of roofs, works of art and works of civil engineering; building and scaffolding construction information; information on the repair of buildings, works of civil engineering, railroads, runways, bridges, bridge abutments, berms, embankments, supporting walls, retaining walls, dams, soil stabilization devices, filling material, retaining walls, dikes, tunnels, gutters, shelters, protection bunkers, tanks, reservoirs, silos, historical monuments, scaffolding, lifts, jacks, construction site lifts, goods lifts, cranes, fixed cranes, mobile cranes, fast-erected tower cranes, pulleys, hoisting gears